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The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK)

Kunming,China,9.12-9.17，2010

ISBN: 978-1-935068-21-1 Scientific Research Publishing, USA

E-Book 350pp Pub. Date: September 2010

Category: Computer Science & Communications

Price: $80

Title: Study on Idle Subcarriers Sensing Based on Spectrum Sensing in High-Speed WLAN
Source: The 15th Conference on the Wireless across the Taiwan straits (WRTS 2010 E-BOOK) (pp 35-40)
Author(s): Xin Wang, National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
Tiecheng Song, National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
Lianfeng Shen, National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
Abstract: Markov model of idle spectrum sensing is presented based on analysis of spectrum sensing in Cognitive Radio(CR) and OFDM in WLAN. In regard to sensing idle spectrum of OFDM subcarriers, energy detector is proposed to be used in high-speed WLAN system. Moreover, performance analysis of energy detector is discussed in detail. At the same time, channel capacity is given. Mask exchange is based on the result of spectrum sensing, and a method is proposed to exchange the spectrum mask information. At last the flow chart of the method is given.
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